Solutions by everydaycalculation.com
The GCF of 66 and 1980 is 66.
MathStep (Works offline)
Download our mobile app and learn how to find GCF of upto four numbers in your own time:
Android and iPhone/ iPad
Find HCF of: 132 & 3960 33 & 990 198 & 5940 22 & 660 330 & 9900 132 & 1980 66 & 3960 198 & 1980 66 & 5940 330 & 1980 66 & 9900 462 & 1980
Enter two numbers separate by comma. To find GCF of more than two numbers, click here.
The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).
© everydaycalculation.com